CN2806922Y

CN2806922Y - Gas breaker

Info

Publication number: CN2806922Y
Application number: CN 200520109826
Authority: CN
Inventors: 庄嘉信
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-14
Filing date: 2005-06-14
Publication date: 2006-08-16
Anticipated expiration: 2015-06-14

Abstract

The utility model relates to a gas breaker which comprises a body which has two assembly rooms, an inflow path and an outflow path. The body also has a timer installed in the first assembly room and a timing shut-off valve arranged in the second assembly room. The timing shut-off valve is driven by a main shaft of the timer, causing a valve body to be acted into an open valve position and the valve body resets to a close valve position after set time is reached so as to close a gas path. A super flow shut-off valve and an overheating shut-off valve which are arranged in parallel are arranged inside the inflow path of the body. The former can automatically cut off gas when the gas flow exceeds a limited flow; the latter can automatically close the gas path when the temperature is higher than a limited temperature.

Description

A kind of gas breaker

Technical field

The utility model relates to a kind of gas breaker, especially a kind of regularly closed gas, and when gas flow surpasses limited flow rate or temperature and is higher than limiting temperature, seal the breaker of gas path automatically.

Background technique

Novel patent of TW the 8121363 No. six, the 8320434 No. five and the 852 First Five-Year Plan are disclosed regularly breaker of a kind of gas for three or two No. one, its can make a valve body through after a while (set back time) just start (actuating) one-tenth close valve position, and seal the gas path automatically, stop air feed.This gas breaker also has and one surpasses the flow intercepter valve (IV) and be installed in inflow entrance inside, use flexible pipe because breaking releasing or other reasons at gas, when causing gas flow to exceed limited flow rate, interdict gas automatically, avoid causing carbon monoxide poisoning or cause the gas gas explosion.

Though gas breaker of the prior art has regularly closed gas, and when gas flow surpasses limited flow rate, the function of sealing the gas path automatically, but there is no the effect of automatic blocking gas when meeting fire, as a result fire may invar this leak and enlarge, cause more serious injures and deaths.

In addition, aspect super flow intercepter valve (IV), the involution of its valve body people that still needs could involution open valve position for pushing a replacement button, and strictness is not very convenient in fact.

The model utility content

The purpose of this utility model promptly is to provide a kind of multi-function gas breaker, it can make timing intercepter valve (IV) time after setting, automatically seal the gas path, and have and one surpass the flow intercepter valve (IV) and an overheated intercepter valve (IV) is installed in inflow entrance inside, it can interdict gas automatically when gas flow surpasses limited flow rate or temperature and is higher than limiting temperature.

Another purpose of the present utility model is to provide a kind of gas breaker, and it can be in the timer timing at the end, and valve position is opened in the super flow intercepter valve (IV) involution that makes start become to close valve position.

Realize the gas breaker of the utility model purpose, comprise a body, it has two assembly rooms, and one flow into path and outflow pathway, and have a timer be installed in first assembly room, regularly intercepter valve (IV) be loaded on second assembly room, and one is installed in the super flow intercepter valve (IV) that flows into path inside, this timing intercepter valve (IV) is subjected to the main shaft drives of timer, make its valve body start become to open valve position, and valve position is closed in the time involution after setting, with sealing gas path; Should can when surpassing limited flow rate, gas flow interdict gas automatically by super flow intercepter valve (IV).

In another embodiment, this gas breaker has an overheated intercepter valve (IV) and is installed in the inside that flows into path, and it can seal the gas path automatically when temperature is higher than limiting temperature.

According to the purpose of this utility model, effect, and the structure configuration, preferred embodiment below enumerated, and conjunction with figs. describes in detail.

Description of drawings

Fig. 1 is the bottom view of the utility model gas breaker, and wherein bottom unloads, closes the valve position situation with valve body time involution after setting of Displaying timer intercepter valve (IV).

Fig. 2 is a sectional drawing of taking from A-A face line among Fig. 1, and shows that the valve body of super flow intercepter valve (IV) and overheated intercepter valve (IV) remains on out the valve position situation.

Fig. 3 is an exploded view of the present utility model, and wherein part is undecomposed.

Fig. 4 becomes to open the bottom view of valve position for valve body start in timing course of timing intercepter valve (IV).

Fig. 5 is a sectional drawing of taking from B-B face line among Fig. 4, and shows that the valve body of super flow intercepter valve (IV) and overheated intercepter valve (IV) remains on out the valve position situation.

Fig. 6 is closing valve position for the valve body of timing intercepter valve (IV), and the valve body start of super flow intercepter valve (IV) becomes to close the bottom view of valve position.

Fig. 7 is a sectional drawing of taking from C-C face line among Fig. 6, and shows that the valve body of overheated intercepter valve (IV) remains on out the valve position situation.

Fig. 8 is the sectional drawing that is similar to Fig. 7, and the valve body of Displaying timer intercepter valve (IV) is in out valve position, and the valve body start of super flow intercepter valve (IV) and overheated intercepter valve (IV) becomes to close the valve position situation.

Embodiment

The gas breaker 10 that shows in Fig. 1 to Fig. 3 can be for explanation technology contents of the present utility model.This gas breaker 10 comprises a body 1, and its inner space is separated into one first assembly room 11 and one second assembly room 12; One side of this body 1 also has one to flow into side connector 13, and to connect the gas metal tube, opposite side then has one to flow out side connector 14, to connect the gas flexible pipe.The inside of inflow side joint 13 forms one and flows into path 15, and the inside of outflow side joint 14 forms one and flows out path 16, and this flows into path 15 and outflow pathway 16 is communicated with second assembly room 12, so constitutes a gas path.The opening of second assembly room 12 is by a bottom 24 and liner 25

sealings.Joint

13 and 14 can be one-body molded with body 1, or after the moulding out of the ordinary, utilize screw thread or other suitable technical battery to be connected to body 1.In the embodiment of accompanying drawing, outflow side joint 14 with screw-threaded coupling in body 1; Inflow side joint 13 comprises a junction 17, body 1 has the mounting hole 18 of an admittance joint 17, this joint 17 also has a snare in the O of rear end periphery shape ring 19, an and groove 20 that is formed at the front end periphery, the former can be when joint 17 inserts mounting hole 18, between both surface of contact, form airtightly reliably, prevent gas leakage.In addition, one lock screw 21 is arranged, it is behind precession body 1, utilize tip to resist two side channel walls of groove 20, prevent inflow side joint 13 slippage axially, so inflow side joint 13 is connected in body 1 rotationally, this design can be narrow at the construction field (site), when being unfavorable for rotating whole gas breaker 10, rotate the less inflow side joint 13 of volume separately, guarantee that installation process can carry out smoothly.

Gas breaker 10 also has a timer 3 that is installed on first assembly room 11, it has a main shaft 31, these main shaft 31 1 ends link a knob 32, the other end extends to second assembly room 12, this knob 32 can be rotated by manual operation, the one timing intercepter valve (IV) 5 that is incorporated into main shaft 31 is opened, and through after a while (time after setting) just close.Because timer 3 belongs to routine techniques, repeats no more.Regularly intercepter valve (IV) 5 comprises a drive plate 51, and it is incorporated on the main shaft 31, and a lever 52 that is articulated in body 1 is arranged, and the one end is bent to form one towards the periphery of drive plate 51 and cranks arm 53, and the other end is in conjunction with a valve body 54, in order to open and close the inlet side of outflow pathway 16.Lever 52 crank arm 53 when agreeing with (Fig. 1) with the breach 55 of drive plate 51 peripheries, valve body 54 seals the inlet side (Fig. 2) of outflow pathway 16 because of the elastic force of a spring 56, stops air feed.Used spring 56 is a draught spring, and the one end is fixed in body 1, and cranking arm of the other end and lever 52 53 is connected, and the power source of valve position is closed in 54 involutions as valve body.

When artificial turning knob 32, main shaft 31 is with its rotation, and this moment, timer 3 picked up counting, and make drive plate 51 with changeing, thereby promote lever 52 swings, and drive valve body 54 in view of the above and make its start become to open valve position (Fig. 4 and Fig. 5), make gas be supplied to the gas utensil by outflow pathway 16.Valve body 54 against the restoring force of a pressure spring 58 and can be really and the inlet side of outflow pathway 16 closely agree with.

In timer 3 timing at the end, drive plate 51 also goes back to original position with main shaft 31, this moment, its breach 55 cranked arm 53 in the face of lever 52 just, thereby spring 56 can utilize its restoring force that lever 52 is retracted original position, make the 53 embedding breach 55 (Fig. 1) of cranking arm, and making valve body 54 involutions that are incorporated into lever 52 close valve position, the inlet side of sealing outflow pathway 16 stops air feed.

The utility model comprises again and one surpasses the inside that flow intercepter valve (IV) 7 is installed in inflow path 15, and it can seal the gas path automatically when gas flow surpasses limited flow rate, stop air feed.Fig. 2 and Fig. 3 can be for the characteristics of the super flow intercepter valve (IV) 7 of explanation, it comprises one and is installed on inflow path 15 inside, and be held in the sleeve 71 of body 1, and there is an O shape to encircle the periphery of 72 snares at sleeve 71, formation is airtight reliably between the surface of contact of sleeve 71 and inflow path 15 in view of the above, prevents gas leakage.The support 73 that is contained in sleeve 71 inside has a circulation flow path 74, and can support bar portion 76 axle direction of valve body 75 to slide.In the bar portion of valve body 75 pressure spring 77 is arranged on 76, the one end props up the tail end that is held in bar portion 76, an end props up and is held in support 73, but so its elastic force of mat makes in the valve body 75 frequent retraction supports 73.

When gas utensil normal operating condition, valve body 75 forward-and-rearward gas pressure differences are less than the elastic force of spring 77.Therefore, super flow intercepter valve (IV) 7 keeps state of rest, and its valve body 75 still remains on out valve position, makes gas pass through circulation flow path 74 to second assembly rooms 12 on the support 73, is supplied to the gas utensil by outflow pathway 16 again.

Taking place as gas with the flexible pipe tip by the abnormal conditions that the gas utensil comes off etc., when making valve body 75 forward-and-rearward gas pressure differences, so valve body 75 is forced to advance greater than the elastic force of spring 77; When outflow opening 78 driving fits in valve body 75 and sleeve 71 the place aheads, the gas path is to be closed (Fig. 7), thereby stops air feed.

When super flow intercepter valve (IV) 7 was had an effect, the protuberance 79 that is formed at valve body 75 the place ahead central authorities was to protrude in sleeve 71 outer (Fig. 6 and Fig. 7).When the timing end of a period, when drive plate 51 went back to original position, the actuator 57 that protrudes in drive plate 51 surfaces promoted protuberance 79 simultaneously, and cooperated the restoring force of spring 77, made valve body 75 automatic involutions open valve position, recovered the gas circulation.Certainly, also needless to say timing ends, and forces turning knob 32 to make drive plate 51 go back to original position, pushes valve body 75 open outflow opening 78 and makes the gas circulation.

The utility model also comprises an overheated intercepter valve (IV) 9 and is installed in the inside that flows into path 15, and it can seal the gas path automatically when temperature is higher than limiting temperature, stop air feed.Fig. 2 and Fig. 3 can be for the characteristics of the overheated intercepter valve (IV) 9 of explanation, and it comprises one and is installed in the cylinder-like shell 91 that flows into path 15 inside, and has a sliding sleeve 92 and a valve body 93, and this sliding sleeve 92 has a circulation flow path 94, and prop up the periphery that is held in shell 91 and slide; This valve body 93 is combined in the rear of sliding sleeve 92 and is synchronized with the movement with sliding sleeve 92, to open and close the inflow entrance 95 of shell 91.Valve body 93 also extends a bar portion 96 from its center back, and to support a pressure spring 97, the other end of this spring 97 props up and is held on the packing ring 98, makes spring 97 keep confined states and accumulate elastic energy; This packing ring 98 is loaded on the clasp 99 that flows into path 15 inside by one and remains on the location, so can utilize the restoring force of spring 97 to promote sliding sleeve 92 when ball 81 discharges sliding sleeve 92, makes the inflow entrance 95 of valve body 93 closed casings 91 that are incorporated into sliding sleeve 92, blocking gas.

Described ball 81 is installed in the ball hole 22 of inflow side joint 13, this ball hole 22 is communicated with inflow path 15, ball 81 outsides also have a bimetallic strip 82 that is used for temperature-sensitive, and this bimetallic strip 82 is limited in displacement in the groove 23 by a sealing cover 83 that is fixed in inflow side joint 13.Say it, bimetallic strip 82 is to curve inwardly when being lower than limiting temperature, and ball 81 is pushed inflow path 15, withstand the front end (Fig. 2) of sliding sleeve 92 by this, stop sliding sleeve 92 to be promoted, make valve body 93 remain on out valve position, thereby allow the gas circulation by the restoring force of spring 97.In case bimetallic strip 82 is because factors such as fire are heated, and when being higher than limiting temperature, will be toward outside sweep, thereby release ball 81, so pressure spring 97 is able to its elastic-restoring force of mat and promotes sliding sleeve 92, make the inflow entrance 95 (Fig. 8) of valve body 93 closed casings 91, interdict gas automatically, avoid fire to enlarge.

Certainly, the foregoing description can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in whole items should be considered as exemplary and non-limiting.

Claims

1. gas breaker is characterized in that it comprises:

One body has one first and one second assembly room;

One flows into side connector, is connected in a side of body, and it has an inflow path of linking up second assembly room;

One flows out side connector, is connected in the opposite side of body, and it has an outflow pathway of linking up second assembly room;

One timer is installed in first assembly room, and it has a main shaft, and an end of this main shaft extends to second assembly room, and the other end is in conjunction with a knob;

One intercepter valve (IV) regularly is installed in second assembly room, and it comprises a drive plate that is linked to main shaft, and the periphery of this drive plate has a breach, and an actuator that protrudes in the surface is arranged; One lever, it is articulated in body, and cranking arm of drive plate periphery bending on one day arranged; One valve body, it is incorporated on the lever; And a draught spring, the one end is fixed in body, and opposite end is connected with rocking bar; When the breach with drive plate of cranking arm of lever agrees with, this valve body sealing outflow pathway; Cranking arm when moving to the periphery of drive plate, this valve body start becomes to open valve position, makes gas can pass through outflow pathway; And

One surpass the flow intercepter valve (IV), comprise a sleeve, it is installed in the inside that flows into path; One support, it is installed in the inside of sleeve, and has the circulation flow path that makes the gas circulation; One valve body, it has one and is held in the bar portion that support axially slides, with a protuberance that is formed at front end; And a pressure spring, its snare is in the bar portion of valve body, and two ends prop up respectively and are held in bar portion tail end and support, valve body are remained on the valve position of opening that makes the gas circulation with its elastic force of mat; In valve body forward-and-rearward gas pressure difference during greater than the elastic force of spring, then make before the valve body so with the outflow opening driving fit in sleeve the place ahead, sealing gas path, simultaneously outside the outstanding sleeve of the protuberance of valve body, timer is ended in timing, when drive plate goes back to original position, can activated part and promote, cooperate the restoring force effect of spring again, make the automatic involution of valve body open valve position.

2. gas breaker according to claim 1 is characterized in that wherein comprising an overheated intercepter valve (IV) again, and it has:

One shell is installed in the inside that flows into path;

One sliding sleeve props up the periphery that is held in shell and slides;

One valve body is incorporated on the sliding sleeve, to open and close the inflow entrance of shell;

One pressure spring, an end prop up and are held in sliding sleeve, and the other end props up and is held in the inflow side joint;

One ball is installed in the ball hole of inflow side joint, and this ball hole is linked up and flowed into path;

One bimetallic strip, it is limited in one by a sealing cover and flows into displacement in the groove of side connector, and when bimetallic strip was lower than limiting temperature, it curved inwardly, and forced ball to withstand the front end of sliding sleeve, made valve body remain on out valve position; Be heated above limiting temperature when above at bimetallic strip, it is outwardly-bent, thereby discharges ball, promotes sliding sleeve so pressure spring is able to its elastic-restoring force of mat, makes the inflow entrance of valve body closed casing, interdicts gas automatically.

3. gas breaker according to claim 1 and 2, it is characterized in that: wherein the inflow side joint comprises a junction, body has the mounting hole of an admittance joint, this joint also has a snare and encircles the O of periphery shape, an and groove that is formed at periphery, the former can form airtight between joint and mounting hole, and the tip of the lock screw of latter's receivability one precession body so is connected in body rotationally with the inflow side joint.